San Francisco's famous pre-Prohibition drink, served at Duncan Nicol's Bank Exchange saloon since the 1870s — Pisco's floral grape brandy character paired with pineapple, lemon, and the secret ingredient of gum arabic (replicated here with simple syrup) that gave it its famously silky texture.
shaken · punch cup · none
add
Combine pisco, pineapple juice, lemon juice, and simple syrup in a shaker with ice.
shake
Shake vigorously for 10–12 seconds.
strain
Strain into a chilled coupe.